Online dating wasn't a thing when DW and I got together. Heck, the internet was mainly just message boards and AOL.
But, wouldn't it depend on the size of the suburb, how far away from the "city" you were, and how far you're willing to travel? Let's be honest, the more people you're physically close too, the better chance of finding a "match"? Someone who's in a suburb of NYC is going to have more potential matches than someone in a suburb of Cincinnati, who's going to have more potential matches than someone in a suburb of Topeka (I assume, just guessing).